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guiDrawSlider() fixes

ugfx_release_2.6
Tectu 2012-07-09 22:40:35 +02:00
parent 4df715dd46
commit 3e6d376e1e
2 changed files with 20 additions and 17 deletions
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34
gui.c
View File

@ -2,7 +2,6 @@
static struct guiNode_t *firstGUI = NULL;
uint16_t x, y; // global touchpad coordinates
uint16_t percent, value_old; // needed for slider
static uint8_t addElement(struct guiNode_t *newNode) {
struct guiNode_t *new;
@ -90,7 +89,7 @@ static inline void buttonUpdate(struct guiNode_t *node) {
}
static inline void sliderUpdate(struct guiNode_t *node) {
uint16_t value, length;
uint16_t length;
if(node->orientation == horizontal)
length = node->x1 - node->x0;
@ -98,40 +97,40 @@ static inline void sliderUpdate(struct guiNode_t *node) {
length = node->y1 - node->y0;
if(node->mode == modePassive) {
percent = *(node->state);
node->percentage = *(node->state);
} else if(node->mode == modeActive) {
if(x >= node->x0 && x <= node->x1 && y >= node->y0 && y <= node->y1) {
if(node->orientation == horizontal) {
percent = (((x - node->x0) * 100) / length);
node->percentage = (((x - node->x0) * 100) / length);
} else if(node->orientation == vertical) {
percent = (((y - node->y0) * 100) / length);
node->percentage = (((y - node->y0) * 100) / length);
}
}
*(node->state) = percent;
*(node->state) = node->percentage;
}
// a bit of safety here
if(percent > 100)
percent = 100;
if(percent < 0)
percent = 0;
if(node->percentage > 100)
node->percentage = 100;
if(node->percentage < 0)
node->percentage = 0;
if(node->orientation == horizontal) {
value = ((((node->x1)-(node->x0)) * percent) / 100);
if(value_old > value || value == 0)
node->value = ((((node->x1)-(node->x0)) * node->percentage) / 100);
if(node->oldValue > node->value || node->value == 0)
lcdFillArea(node->x0+1, node->y0+1, node->x1, node->y1, node->bkColor);
else
lcdDrawRect(node->x0+1, node->y0+1, node->x0+value, node->y1, filled, node->valueColor);
lcdDrawRect(node->x0+1, node->y0+1, node->x0+node->value, node->y1, filled, node->valueColor);
} else if(node->orientation == vertical) {
value = ((((node->y1)-(node->y0)) * percent) / 100);
if(value_old > value || value == 0)
node->value = ((((node->y1)-(node->y0)) * node->percentage) / 100);
if(node->oldValue > node->value || node->value == 0)
lcdFillArea(node->x0+1, node->y0+1, node->x1, node->y1, node->bkColor);
else
lcdDrawRect(node->x0+1, node->y0+1, node->x1, node->y0+value, filled, node->valueColor);
lcdDrawRect(node->x0+1, node->y0+1, node->x1, node->y0+node->value, filled, node->valueColor);
}
value_old = value;
node->oldValue = node->value;
}
static inline void wheelUpdate(struct guiNode_t *node) {
@ -241,6 +240,7 @@ uint8_t guiDrawSlider(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint8_
newNode->state = value;
newNode->active = active;
newNode->orientation = orientation;
newNode->percentage = 0;
if(addElement(newNode) != 1)
return 0;

3
gui.h
View File

@ -19,6 +19,9 @@ struct guiNode_t {
uint16_t shadow;
uint16_t bkColor;
uint16_t valueColor;
uint16_t value;
uint16_t oldValue;
uint16_t percentage;
uint8_t orientation;
uint8_t mode;
uint8_t *active;